CAS 4160-82-1|2H-Pyran-2,6(3H)-dione,dihydro-4,4-dimethyl-

Introduction：Basic information about CAS 4160-82-1|2H-Pyran-2,6(3H)-dione,dihydro-4,4-dimethyl-, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.

Table of Contents

1. Names
2. Chemical & Physical Properties
3. Safety Information
4. Customs
5. Synonyms

Common Name	2H-Pyran-2,6(3H)-dione,dihydro-4,4-dimethyl-
CAS Number	4160-82-1	Molecular Weight	142.15200
Density	1.102g/cm3	Boiling Point	181 °C25 mm Hg(lit.)
Molecular Formula	C₇H₁₀O₃	Melting Point	124-126 °C(lit.)
MSDS	ChineseUSA	Flash Point	181°C/25mm
Symbol	GHS07	Signal Word	Warning

Names

Name	3,3-dimethylglutaric anhydride
Synonym	More Synonyms

Chemical & Physical Properties

Density	1.102g/cm3
Boiling Point	181 °C25 mm Hg(lit.)
Melting Point	124-126 °C(lit.)
Molecular Formula	C₇H₁₀O₃
Molecular Weight	142.15200
Flash Point	181°C/25mm
Exact Mass	142.06300
PSA	43.37000
LogP	0.87620
Index of Refraction	1.444
InChIKey	HIJQFTSZBHDYKW-UHFFFAOYSA-N
SMILES	CC1(C)CC(=O)OC(=O)C1

Safety Information

Symbol	GHS07
Signal Word	Warning
Hazard Statements	H315-H319-H335
Precautionary Statements	P261-P305 + P351 + P338
Personal Protective Equipment	dust mask type N95 (US);Eyeshields;Gloves
Hazard Codes	Xi:Irritant;
Risk Phrases	R36/37/38
Safety Phrases	S26-S37/39
RIDADR	NONH for all modes of transport
WGK Germany	3
HS Code	2917190090

Customs

HS Code	2917190090
Summary	2917190090 acyclic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0%

Synonyms

4,4-dimethyloxane-2,6-dione

MFCD00006684

3,3-Dimethylglutaric Anhydride

EINECS 223-998-1

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